User`s manual

2 - 13 2 - 13
MELSEC-Q
2 INPUT MODULE SPECIFICATIONS
2.10 QX70 DC Input Module (Positive Common/Negative Common Shared Type)
DC Input Module (Positive Common/Negative Common Shared Type) Type
Specifications
QX70 Appearance
Number of input points 16 points
Insulation method Photocoupler
Rated input voltage
5VDC
(+20/-10%, ripple ratio within 5%)
12VDC
(+20/-15%, ripple ratio within 5%)
Rated input current Approx. 1.2mA Approx. 3.3mA
Input derating None
ON voltage/ON current 3.5V or higher/1mA or higher
OFF voltage/OFF current 1V or lower/0.1mA or lower
Input resistance Approx. 3.3k
OFF to ON
1ms/5ms/10ms/20ms/70ms or less (CPU parameter setting)
Initial setting is 10ms
Response
time
ON to OFF
1ms/5ms/10ms/20ms/70ms or less (CPU parameter setting)
Initial setting is 10ms
Dielectric maximum voltage 560VAC rms/3 cycles (altitude 2000m)
Insulation resistance 10M or more by insulation resistance tester
By noise simulator of 500Vp-p noise voltage,
1
s noise width and 25 to 60Hz noise frequency
Noise immunity
First transient noise IEC61000-4-4: 0.25kV
Protection of degree IP2X
Common terminal arrangement 16 points/common (common terminal: TB17)
Number of I/O points 16 (I/O allocation is set as a 16-points input module)
Operation indicator ON indication (LED)
External connections 18-point terminal block (M3 6 screw)
Applicable wire size
Core cable: 0.3 to 0.75mm
2
(Outside diameter: 2.8mm or smaller)
Applicable connector terminal R1.25-3 (Terminals with sleeve cannot be used)
5VDC internal current
consumption
55mA (TYP, all points ON)
Weight 0.14kg
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
COM
QX70
NC
+-
01234567
8 9 ABCDEF
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
5/12VDC
1.2mA
3.3mA
External Connections Terminal Block Number Signal Name
TB1 X00
TB2 X01
TB3 X02
TB4 X03
TB5 X04
TB6 X05
TB7 X06
TB8 X07
TB9 X08
TB10 X09
TB11 X0A
TB12 X0B
TB13 X0C
TB14 X0D
TB15 X0E
TB16 X0F
TB17 COM
5/12VDC
TB1
TB17
LED
LED
TB16
Internal
circuit
For open collector (positive common) connection
For TTL, LS-TTL, CMOS buffer
(positive common) connections
For sensor (negative common)
connections
TB1
TB17
TB1
TB17
TB18 Vacant
: For the setting method, refer to the section 1.3.1.